define the term frequency of an alternating current
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Explanation:
Alternating current (ac) frequency is the number of cycles per second in an ac sine wave. Frequency is the rate at which current changes direction per second. It is measured in hertz (Hz), an international unit of measure where 1 hertz is equal to 1 cycle per second.
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Explanation:
frequency refer to the number of occurrences of a period event per time and is measured in cycles/second
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